De l'amour, considéré dans les lois réelles et dans les formes sociales de l'union des sexes

Second edition, with some parts of the text in first edition as reworked by the author, illustrated with an engraved frontispice by Jean-François Tourcaty.
Later binding (ca 1860) in red half morocco, richly decorated spine, marbled paper boards, combed paper endpapers and pastedowns, top edge gilt retaining its deckled edges, binding signed Hardy. Some stains to boards, slight rubbing to joints and corners slightly bumped, very light foxing.

To make the strength of marriage consist in that of love is to go so far as to misunderstand the spirit of this institution.